It depends on the OG. You should allow at least one week for every 10 points in cold conditions. For instance, if the OG was 1.050 you should allow at least five weeks. If you are conditioning at room temperatures then allow another two or three weeks.

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When the sun beats down and I lie on the bench I can always hear them talk
Me, I'm just a lawnmower, you can tell me by the way I walk